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Rafi
Questions (25)
rewrite cos(x- 5pi/3) in terms of sin(x) and cos(x)
1 answer
101 views
The angle of elevation to the top of a Building in New York is found to be 7 degrees from the ground at a distance of 1 mile
1 answer
142 views
A 24ft ladder leans against a building so that the angle between the ground and the ladder is 81 degrees.
How high does the
1 answer
162 views
Find a formula for the exponential function passing through the points (-2,5/9) and (3, 135).
1 answer
143 views
A population numbers 13,000 organisms initially and grows by 1.9% each year. Suppose P represents population and t represents
1 answer
141 views
A population numbers 11,000 organisms initially and grows by 12.4% each year. Suppose P represents population and t represents
3 answers
178 views
An exponential function f(x)=ab^x passes through the points (0, 7) and (3, 189). What are the values of a and b?
1 answer
129 views
An exponential function f(x)=ab^x passes through the points (0, 9000) and (3, 6561). What are the values of a and b?
2 answers
130 views
Find a formula for the exponential function passing through the points (-2, 2/9) and (1, 6).
1 answer
139 views
A bank features a savings account that has an annual percentage rate of r=5.1 % with interest compounded quarterly. Katrice
1 answer
138 views
The fox population in a certain region has a continuous growth rate of 9 percent per year. It is estimated that the population
1 answer
151 views
Find the time required for an investment of 5000 dollars to grow to 8700 dollars at an interest rate of 7.5 percent per year,
1 answer
104 views
The doubling period of a bacterial population is 20 minutes. At time t=120 minutes, the bacterial population was 60000.
What was
1 answer
151 views
A bacteria culture initially contains 3000 bacteria and doubles every half hour.
Find the size of the baterial population after
1 answer
151 views
Let f(x) = (x+4)/(x+8).
f^-1 (-1)=
2 answers
106 views
Find b and c so that y=15x2+bx+c has vertex (5,5).
2 answers
108 views
(10+9i)⋅ ¯¯¯¯¯¯
(10+9i) Perform the indicated operation & simplify. Express the answer in terms of i (as a complex
1 answer
137 views
The polynomial of degree 5, P(x), has leading coefficient 1, has roots of multiplicity at x=5 and x=0, and a root of
1 answer
135 views
Write an equation for a line perpendicular to y= -2x-3 and passing through the point (6,2). y=
1 answer
117 views
Find the point at which the line f(x) = -4x-9 intersects the line g(x) =4x+15.
1 answer
86 views
Find the equation (in terms of x) of the line through the points (-4,3) and (2,-9).
1 answer
116 views
If f(x) is a linear function, f(-4)=0. and f(3) = -2, find an equation for f(x).
1 answer
100 views
The midpoint of AB is at (−3,2). If A=(8,−3), find B.
1 answer
86 views
In poetry and fition, the main reason for using vivid words is to.
a. explain an idea b. create a mental image c. keep th reader
1 answer
1,059 views
According to science, the fastest speed posssible for anything is the speed of light. The speed of light is about 186,000 mies
2 answers
900 views
Answers (6)
How did you get 1.124?
21 days, I believe
Its main purpose was to set fines and punishments for those who committed specific crimes.
Z=33-26,7=6,3
b. And the wrm crisp air rushing around me.
3/5.2/3
